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Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / drivers / hwmon / w83627hf.c
blob95115d7b863e37fbfe3b4a247ea282729f717588
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
4 * monitoring
5 * Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>,
6 * Philip Edelbrock <phil@netroedge.com>,
7 * and Mark Studebaker <mdsxyz123@yahoo.com>
8 * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
9 * Copyright (c) 2007 - 1012 Jean Delvare <jdelvare@suse.de>
10 */
11
12 /*
13 * Supports following chips:
14 *
15 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
16 * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC)
17 * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
18 * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC)
19 * w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
20 * w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC)
21 *
22 * For other winbond chips, and for i2c support in the above chips,
23 * use w83781d.c.
24 *
25 * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
26 * supported yet.
27 */
28
29 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
30
31 #include <linux/module.h>
32 #include <linux/init.h>
33 #include <linux/slab.h>
34 #include <linux/jiffies.h>
35 #include <linux/platform_device.h>
36 #include <linux/hwmon.h>
37 #include <linux/hwmon-sysfs.h>
38 #include <linux/hwmon-vid.h>
39 #include <linux/err.h>
40 #include <linux/mutex.h>
41 #include <linux/ioport.h>
42 #include <linux/acpi.h>
43 #include <linux/io.h>
44 #include "lm75.h"
45
46 static struct platform_device *pdev;
47
48 #define DRVNAME "w83627hf"
49 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
50
51 struct w83627hf_sio_data {
52 enum chips type;
53 int sioaddr;
54 };
55
56 static u8 force_i2c = 0x1f;
57 module_param(force_i2c, byte, 0);
58 MODULE_PARM_DESC(force_i2c,
59 "Initialize the i2c address of the sensors");
60
61 static bool init = 1;
62 module_param(init, bool, 0);
63 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
64
65 static unsigned short force_id;
66 module_param(force_id, ushort, 0);
67 MODULE_PARM_DESC(force_id, "Override the detected device ID");
68
69 /* modified from kernel/include/traps.c */
70 #define DEV 0x07 /* Register: Logical device select */
71
72 /* logical device numbers for superio_select (below) */
73 #define W83627HF_LD_FDC 0x00
74 #define W83627HF_LD_PRT 0x01
75 #define W83627HF_LD_UART1 0x02
76 #define W83627HF_LD_UART2 0x03
77 #define W83627HF_LD_KBC 0x05
78 #define W83627HF_LD_CIR 0x06 /* w83627hf only */
79 #define W83627HF_LD_GAME 0x07
80 #define W83627HF_LD_MIDI 0x07
81 #define W83627HF_LD_GPIO1 0x07
82 #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */
83 #define W83627HF_LD_GPIO2 0x08
84 #define W83627HF_LD_GPIO3 0x09
85 #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */
86 #define W83627HF_LD_ACPI 0x0a
87 #define W83627HF_LD_HWM 0x0b
88
89 #define DEVID 0x20 /* Register: Device ID */
90
91 #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */
92 #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */
93 #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */
94
95 #define W83687THF_VID_EN 0x29 /* w83687thf only */
96 #define W83687THF_VID_CFG 0xF0 /* w83687thf only */
97 #define W83687THF_VID_DATA 0xF1 /* w83687thf only */
98
99 static inline void
100 superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
101 {
102 outb(reg, sio->sioaddr);
103 outb(val, sio->sioaddr + 1);
104 }
105
106 static inline int
107 superio_inb(struct w83627hf_sio_data *sio, int reg)
108 {
109 outb(reg, sio->sioaddr);
110 return inb(sio->sioaddr + 1);
111 }
112
113 static inline void
114 superio_select(struct w83627hf_sio_data *sio, int ld)
115 {
116 outb(DEV, sio->sioaddr);
117 outb(ld, sio->sioaddr + 1);
118 }
119
120 static inline int
121 superio_enter(struct w83627hf_sio_data *sio)
122 {
123 if (!request_muxed_region(sio->sioaddr, 2, DRVNAME))
124 return -EBUSY;
125
126 outb(0x87, sio->sioaddr);
127 outb(0x87, sio->sioaddr);
128
129 return 0;
130 }
131
132 static inline void
133 superio_exit(struct w83627hf_sio_data *sio)
134 {
135 outb(0xAA, sio->sioaddr);
136 release_region(sio->sioaddr, 2);
137 }
138
139 #define W627_DEVID 0x52
140 #define W627THF_DEVID 0x82
141 #define W697_DEVID 0x60
142 #define W637_DEVID 0x70
143 #define W687THF_DEVID 0x85
144 #define WINB_ACT_REG 0x30
145 #define WINB_BASE_REG 0x60
146 /* Constants specified below */
147
148 /* Alignment of the base address */
149 #define WINB_ALIGNMENT ~7
150
151 /* Offset & size of I/O region we are interested in */
152 #define WINB_REGION_OFFSET 5
153 #define WINB_REGION_SIZE 2
154
155 /* Where are the sensors address/data registers relative to the region offset */
156 #define W83781D_ADDR_REG_OFFSET 0
157 #define W83781D_DATA_REG_OFFSET 1
158
159 /* The W83781D registers */
160 /* The W83782D registers for nr=7,8 are in bank 5 */
161 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
162 (0x554 + (((nr) - 7) * 2)))
163 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
164 (0x555 + (((nr) - 7) * 2)))
165 #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \
166 (0x550 + (nr) - 7))
167
168 /* nr:0-2 for fans:1-3 */
169 #define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr))
170 #define W83627HF_REG_FAN(nr) (0x28 + (nr))
171
172 #define W83627HF_REG_TEMP2_CONFIG 0x152
173 #define W83627HF_REG_TEMP3_CONFIG 0x252
174 /* these are zero-based, unlike config constants above */
175 static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 };
176 static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 };
177 static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 };
178
179 #define W83781D_REG_BANK 0x4E
180
181 #define W83781D_REG_CONFIG 0x40
182 #define W83781D_REG_ALARM1 0x459
183 #define W83781D_REG_ALARM2 0x45A
184 #define W83781D_REG_ALARM3 0x45B
185
186 #define W83781D_REG_BEEP_CONFIG 0x4D
187 #define W83781D_REG_BEEP_INTS1 0x56
188 #define W83781D_REG_BEEP_INTS2 0x57
189 #define W83781D_REG_BEEP_INTS3 0x453
190
191 #define W83781D_REG_VID_FANDIV 0x47
192
193 #define W83781D_REG_CHIPID 0x49
194 #define W83781D_REG_WCHIPID 0x58
195 #define W83781D_REG_CHIPMAN 0x4F
196 #define W83781D_REG_PIN 0x4B
197
198 #define W83781D_REG_VBAT 0x5D
199
200 #define W83627HF_REG_PWM1 0x5A
201 #define W83627HF_REG_PWM2 0x5B
202
203 static const u8 W83627THF_REG_PWM_ENABLE[] = {
204 0x04, /* FAN 1 mode */
205 0x04, /* FAN 2 mode */
206 0x12, /* FAN AUX mode */
207 };
208 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
209
210 #define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */
211 #define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */
212 #define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */
213
214 #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */
215
216 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
217 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
218 W83627THF_REG_PWM3 };
219 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
220 regpwm_627hf[nr] : regpwm[nr])
221
222 #define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */
223
224 #define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */
225 #define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */
226 #define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */
227
228 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
229 W83637HF_REG_PWM_FREQ2,
230 W83637HF_REG_PWM_FREQ3 };
231
232 #define W83627HF_BASE_PWM_FREQ 46870
233
234 #define W83781D_REG_I2C_ADDR 0x48
235 #define W83781D_REG_I2C_SUBADDR 0x4A
236
237 /* Sensor selection */
238 #define W83781D_REG_SCFG1 0x5D
239 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
240 #define W83781D_REG_SCFG2 0x59
241 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
242 #define W83781D_DEFAULT_BETA 3435
243
244 /*
245 * Conversions. Limit checking is only done on the TO_REG
246 * variants. Note that you should be a bit careful with which arguments
247 * these macros are called: arguments may be evaluated more than once.
248 * Fixing this is just not worth it.
249 */
250 #define IN_TO_REG(val) (clamp_val((((val) + 8) / 16), 0, 255))
251 #define IN_FROM_REG(val) ((val) * 16)
252
253 static inline u8 FAN_TO_REG(long rpm, int div)
254 {
255 if (rpm == 0)
256 return 255;
257 rpm = clamp_val(rpm, 1, 1000000);
258 return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
259 }
260
261 #define TEMP_MIN (-128000)
262 #define TEMP_MAX ( 127000)
263
264 /*
265 * TEMP: 0.001C/bit (-128C to +127C)
266 * REG: 1C/bit, two's complement
267 */
268 static u8 TEMP_TO_REG(long temp)
269 {
270 int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
271 ntemp += (ntemp < 0 ? -500 : 500);
272 return (u8)(ntemp / 1000);
273 }
274
275 static int TEMP_FROM_REG(u8 reg)
276 {
277 return (s8)reg * 1000;
278 }
279
280 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
281
282 #define PWM_TO_REG(val) (clamp_val((val), 0, 255))
283
284 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
285 {
286 unsigned long freq;
287 freq = W83627HF_BASE_PWM_FREQ >> reg;
288 return freq;
289 }
290 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
291 {
292 u8 i;
293 /*
294 * Only 5 dividers (1 2 4 8 16)
295 * Search for the nearest available frequency
296 */
297 for (i = 0; i < 4; i++) {
298 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
299 (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
300 break;
301 }
302 return i;
303 }
304
305 static inline unsigned long pwm_freq_from_reg(u8 reg)
306 {
307 /* Clock bit 8 -> 180 kHz or 24 MHz */
308 unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
309
310 reg &= 0x7f;
311 /* This should not happen but anyway... */
312 if (reg == 0)
313 reg++;
314 return clock / (reg << 8);
315 }
316 static inline u8 pwm_freq_to_reg(unsigned long val)
317 {
318 /* Minimum divider value is 0x01 and maximum is 0x7F */
319 if (val >= 93750) /* The highest we can do */
320 return 0x01;
321 if (val >= 720) /* Use 24 MHz clock */
322 return 24000000UL / (val << 8);
323 if (val < 6) /* The lowest we can do */
324 return 0xFF;
325 else /* Use 180 kHz clock */
326 return 0x80 | (180000UL / (val << 8));
327 }
328
329 #define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff)
330 #define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff)
331
332 #define DIV_FROM_REG(val) (1 << (val))
333
334 static inline u8 DIV_TO_REG(long val)
335 {
336 int i;
337 val = clamp_val(val, 1, 128) >> 1;
338 for (i = 0; i < 7; i++) {
339 if (val == 0)
340 break;
341 val >>= 1;
342 }
343 return (u8)i;
344 }
345
346 /*
347 * For each registered chip, we need to keep some data in memory.
348 * The structure is dynamically allocated.
349 */
350 struct w83627hf_data {
351 unsigned short addr;
352 const char *name;
353 struct device *hwmon_dev;
354 struct mutex lock;
355 enum chips type;
356
357 struct mutex update_lock;
358 bool valid; /* true if following fields are valid */
359 unsigned long last_updated; /* In jiffies */
360
361 u8 in[9]; /* Register value */
362 u8 in_max[9]; /* Register value */
363 u8 in_min[9]; /* Register value */
364 u8 fan[3]; /* Register value */
365 u8 fan_min[3]; /* Register value */
366 u16 temp[3]; /* Register value */
367 u16 temp_max[3]; /* Register value */
368 u16 temp_max_hyst[3]; /* Register value */
369 u8 fan_div[3]; /* Register encoding, shifted right */
370 u8 vid; /* Register encoding, combined */
371 u32 alarms; /* Register encoding, combined */
372 u32 beep_mask; /* Register encoding, combined */
373 u8 pwm[3]; /* Register value */
374 u8 pwm_enable[3]; /* 1 = manual
375 * 2 = thermal cruise (also called SmartFan I)
376 * 3 = fan speed cruise
377 */
378 u8 pwm_freq[3]; /* Register value */
379 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode;
380 * 4 = thermistor
381 */
382 u8 vrm;
383 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */
384
385 #ifdef CONFIG_PM
386 /* Remember extra register values over suspend/resume */
387 u8 scfg1;
388 u8 scfg2;
389 #endif
390 };
391
392 /* Registers 0x50-0x5f are banked */
393 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
394 {
395 if ((reg & 0x00f0) == 0x50) {
396 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
397 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
398 }
399 }
400
401 /* Not strictly necessary, but play it safe for now */
402 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
403 {
404 if (reg & 0xff00) {
405 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
406 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
407 }
408 }
409
410 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
411 {
412 int res, word_sized;
413
414 mutex_lock(&data->lock);
415 word_sized = (((reg & 0xff00) == 0x100)
416 || ((reg & 0xff00) == 0x200))
417 && (((reg & 0x00ff) == 0x50)
418 || ((reg & 0x00ff) == 0x53)
419 || ((reg & 0x00ff) == 0x55));
420 w83627hf_set_bank(data, reg);
421 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
422 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
423 if (word_sized) {
424 outb_p((reg & 0xff) + 1,
425 data->addr + W83781D_ADDR_REG_OFFSET);
426 res =
427 (res << 8) + inb_p(data->addr +
428 W83781D_DATA_REG_OFFSET);
429 }
430 w83627hf_reset_bank(data, reg);
431 mutex_unlock(&data->lock);
432 return res;
433 }
434
435 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
436 {
437 int word_sized;
438
439 mutex_lock(&data->lock);
440 word_sized = (((reg & 0xff00) == 0x100)
441 || ((reg & 0xff00) == 0x200))
442 && (((reg & 0x00ff) == 0x53)
443 || ((reg & 0x00ff) == 0x55));
444 w83627hf_set_bank(data, reg);
445 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
446 if (word_sized) {
447 outb_p(value >> 8,
448 data->addr + W83781D_DATA_REG_OFFSET);
449 outb_p((reg & 0xff) + 1,
450 data->addr + W83781D_ADDR_REG_OFFSET);
451 }
452 outb_p(value & 0xff,
453 data->addr + W83781D_DATA_REG_OFFSET);
454 w83627hf_reset_bank(data, reg);
455 mutex_unlock(&data->lock);
456 return 0;
457 }
458
459 static void w83627hf_update_fan_div(struct w83627hf_data *data)
460 {
461 int reg;
462
463 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
464 data->fan_div[0] = (reg >> 4) & 0x03;
465 data->fan_div[1] = (reg >> 6) & 0x03;
466 if (data->type != w83697hf) {
467 data->fan_div[2] = (w83627hf_read_value(data,
468 W83781D_REG_PIN) >> 6) & 0x03;
469 }
470 reg = w83627hf_read_value(data, W83781D_REG_VBAT);
471 data->fan_div[0] |= (reg >> 3) & 0x04;
472 data->fan_div[1] |= (reg >> 4) & 0x04;
473 if (data->type != w83697hf)
474 data->fan_div[2] |= (reg >> 5) & 0x04;
475 }
476
477 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
478 {
479 struct w83627hf_data *data = dev_get_drvdata(dev);
480 int i, num_temps = (data->type == w83697hf) ? 2 : 3;
481 int num_pwms = (data->type == w83697hf) ? 2 : 3;
482
483 mutex_lock(&data->update_lock);
484
485 if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
486 || !data->valid) {
487 for (i = 0; i <= 8; i++) {
488 /* skip missing sensors */
489 if (((data->type == w83697hf) && (i == 1)) ||
490 ((data->type != w83627hf && data->type != w83697hf)
491 && (i == 5 || i == 6)))
492 continue;
493 data->in[i] =
494 w83627hf_read_value(data, W83781D_REG_IN(i));
495 data->in_min[i] =
496 w83627hf_read_value(data,
497 W83781D_REG_IN_MIN(i));
498 data->in_max[i] =
499 w83627hf_read_value(data,
500 W83781D_REG_IN_MAX(i));
501 }
502 for (i = 0; i <= 2; i++) {
503 data->fan[i] =
504 w83627hf_read_value(data, W83627HF_REG_FAN(i));
505 data->fan_min[i] =
506 w83627hf_read_value(data,
507 W83627HF_REG_FAN_MIN(i));
508 }
509 for (i = 0; i <= 2; i++) {
510 u8 tmp = w83627hf_read_value(data,
511 W836X7HF_REG_PWM(data->type, i));
512 /* bits 0-3 are reserved in 627THF */
513 if (data->type == w83627thf)
514 tmp &= 0xf0;
515 data->pwm[i] = tmp;
516 if (i == 1 &&
517 (data->type == w83627hf || data->type == w83697hf))
518 break;
519 }
520 if (data->type == w83627hf) {
521 u8 tmp = w83627hf_read_value(data,
522 W83627HF_REG_PWM_FREQ);
523 data->pwm_freq[0] = tmp & 0x07;
524 data->pwm_freq[1] = (tmp >> 4) & 0x07;
525 } else if (data->type != w83627thf) {
526 for (i = 1; i <= 3; i++) {
527 data->pwm_freq[i - 1] =
528 w83627hf_read_value(data,
529 W83637HF_REG_PWM_FREQ[i - 1]);
530 if (i == 2 && (data->type == w83697hf))
531 break;
532 }
533 }
534 if (data->type != w83627hf) {
535 for (i = 0; i < num_pwms; i++) {
536 u8 tmp = w83627hf_read_value(data,
537 W83627THF_REG_PWM_ENABLE[i]);
538 data->pwm_enable[i] =
539 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
540 & 0x03) + 1;
541 }
542 }
543 for (i = 0; i < num_temps; i++) {
544 data->temp[i] = w83627hf_read_value(
545 data, w83627hf_reg_temp[i]);
546 data->temp_max[i] = w83627hf_read_value(
547 data, w83627hf_reg_temp_over[i]);
548 data->temp_max_hyst[i] = w83627hf_read_value(
549 data, w83627hf_reg_temp_hyst[i]);
550 }
551
552 w83627hf_update_fan_div(data);
553
554 data->alarms =
555 w83627hf_read_value(data, W83781D_REG_ALARM1) |
556 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
557 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
558 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
559 data->beep_mask = (i << 8) |
560 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
561 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
562 data->last_updated = jiffies;
563 data->valid = true;
564 }
565
566 mutex_unlock(&data->update_lock);
567
568 return data;
569 }
570
571 #ifdef CONFIG_PM
572 static int w83627hf_suspend(struct device *dev)
573 {
574 struct w83627hf_data *data = w83627hf_update_device(dev);
575
576 mutex_lock(&data->update_lock);
577 data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
578 data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
579 mutex_unlock(&data->update_lock);
580
581 return 0;
582 }
583
584 static int w83627hf_resume(struct device *dev)
585 {
586 struct w83627hf_data *data = dev_get_drvdata(dev);
587 int i, num_temps = (data->type == w83697hf) ? 2 : 3;
588
589 /* Restore limits */
590 mutex_lock(&data->update_lock);
591 for (i = 0; i <= 8; i++) {
592 /* skip missing sensors */
593 if (((data->type == w83697hf) && (i == 1)) ||
594 ((data->type != w83627hf && data->type != w83697hf)
595 && (i == 5 || i == 6)))
596 continue;
597 w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
598 data->in_max[i]);
599 w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
600 data->in_min[i]);
601 }
602 for (i = 0; i <= 2; i++)
603 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
604 data->fan_min[i]);
605 for (i = 0; i < num_temps; i++) {
606 w83627hf_write_value(data, w83627hf_reg_temp_over[i],
607 data->temp_max[i]);
608 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
609 data->temp_max_hyst[i]);
610 }
611
612 /* Fixup BIOS bugs */
613 if (data->type == w83627thf || data->type == w83637hf ||
614 data->type == w83687thf)
615 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
616 data->vrm_ovt);
617 w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
618 w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
619
620 /* Force re-reading all values */
621 data->valid = false;
622 mutex_unlock(&data->update_lock);
623
624 return 0;
625 }
626
627 static const struct dev_pm_ops w83627hf_dev_pm_ops = {
628 .suspend = w83627hf_suspend,
629 .resume = w83627hf_resume,
630 };
631
632 #define W83627HF_DEV_PM_OPS (&w83627hf_dev_pm_ops)
633 #else
634 #define W83627HF_DEV_PM_OPS NULL
635 #endif /* CONFIG_PM */
636
637 static int w83627thf_read_gpio5(struct platform_device *pdev)
638 {
639 struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
640 int res = 0xff, sel;
641
642 if (superio_enter(sio_data)) {
643 /*
644 * Some other driver reserved the address space for itself.
645 * We don't want to fail driver instantiation because of that,
646 * so display a warning and keep going.
647 */
648 dev_warn(&pdev->dev,
649 "Can not read VID data: Failed to enable SuperIO access\n");
650 return res;
651 }
652
653 superio_select(sio_data, W83627HF_LD_GPIO5);
654
655 res = 0xff;
656
657 /* Make sure these GPIO pins are enabled */
658 if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
659 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
660 goto exit;
661 }
662
663 /*
664 * Make sure the pins are configured for input
665 * There must be at least five (VRM 9), and possibly 6 (VRM 10)
666 */
667 sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
668 if ((sel & 0x1f) != 0x1f) {
669 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
670 "function\n");
671 goto exit;
672 }
673
674 dev_info(&pdev->dev, "Reading VID from GPIO5\n");
675 res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
676
677 exit:
678 superio_exit(sio_data);
679 return res;
680 }
681
682 static int w83687thf_read_vid(struct platform_device *pdev)
683 {
684 struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
685 int res = 0xff;
686
687 if (superio_enter(sio_data)) {
688 /*
689 * Some other driver reserved the address space for itself.
690 * We don't want to fail driver instantiation because of that,
691 * so display a warning and keep going.
692 */
693 dev_warn(&pdev->dev,
694 "Can not read VID data: Failed to enable SuperIO access\n");
695 return res;
696 }
697
698 superio_select(sio_data, W83627HF_LD_HWM);
699
700 /* Make sure these GPIO pins are enabled */
701 if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
702 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
703 goto exit;
704 }
705
706 /* Make sure the pins are configured for input */
707 if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
708 dev_dbg(&pdev->dev, "VID configured as output, "
709 "no VID function\n");
710 goto exit;
711 }
712
713 res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
714
715 exit:
716 superio_exit(sio_data);
717 return res;
718 }
719
720 static void w83627hf_init_device(struct platform_device *pdev)
721 {
722 struct w83627hf_data *data = platform_get_drvdata(pdev);
723 int i;
724 enum chips type = data->type;
725 u8 tmp;
726
727 /* Minimize conflicts with other winbond i2c-only clients... */
728 /* disable i2c subclients... how to disable main i2c client?? */
729 /* force i2c address to relatively uncommon address */
730 if (type == w83627hf) {
731 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
732 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
733 }
734
735 /* Read VID only once */
736 if (type == w83627hf || type == w83637hf) {
737 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
738 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
739 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
740 } else if (type == w83627thf) {
741 data->vid = w83627thf_read_gpio5(pdev);
742 } else if (type == w83687thf) {
743 data->vid = w83687thf_read_vid(pdev);
744 }
745
746 /* Read VRM & OVT Config only once */
747 if (type == w83627thf || type == w83637hf || type == w83687thf) {
748 data->vrm_ovt =
749 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
750 }
751
752 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
753 for (i = 1; i <= 3; i++) {
754 if (!(tmp & BIT_SCFG1[i - 1])) {
755 data->sens[i - 1] = 4;
756 } else {
757 if (w83627hf_read_value
758 (data,
759 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
760 data->sens[i - 1] = 1;
761 else
762 data->sens[i - 1] = 2;
763 }
764 if ((type == w83697hf) && (i == 2))
765 break;
766 }
767
768 if(init) {
769 /* Enable temp2 */
770 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
771 if (tmp & 0x01) {
772 dev_warn(&pdev->dev, "Enabling temp2, readings "
773 "might not make sense\n");
774 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
775 tmp & 0xfe);
776 }
777
778 /* Enable temp3 */
779 if (type != w83697hf) {
780 tmp = w83627hf_read_value(data,
781 W83627HF_REG_TEMP3_CONFIG);
782 if (tmp & 0x01) {
783 dev_warn(&pdev->dev, "Enabling temp3, "
784 "readings might not make sense\n");
785 w83627hf_write_value(data,
786 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
787 }
788 }
789 }
790
791 /* Start monitoring */
792 w83627hf_write_value(data, W83781D_REG_CONFIG,
793 (w83627hf_read_value(data,
794 W83781D_REG_CONFIG) & 0xf7)
795 | 0x01);
796
797 /* Enable VBAT monitoring if needed */
798 tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
799 if (!(tmp & 0x01))
800 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
801 }
802
803 /* use a different set of functions for in0 */
804 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
805 {
806 long in0;
807
808 if ((data->vrm_ovt & 0x01) &&
809 (w83627thf == data->type || w83637hf == data->type
810 || w83687thf == data->type))
811
812 /* use VRM9 calculation */
813 in0 = (long)((reg * 488 + 70000 + 50) / 100);
814 else
815 /* use VRM8 (standard) calculation */
816 in0 = (long)IN_FROM_REG(reg);
817
818 return sprintf(buf,"%ld\n", in0);
819 }
820
821 static ssize_t in0_input_show(struct device *dev,
822 struct device_attribute *attr, char *buf)
823 {
824 struct w83627hf_data *data = w83627hf_update_device(dev);
825 return show_in_0(data, buf, data->in[0]);
826 }
827 static DEVICE_ATTR_RO(in0_input);
828
829 static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr,
830 char *buf)
831 {
832 struct w83627hf_data *data = w83627hf_update_device(dev);
833 return show_in_0(data, buf, data->in_min[0]);
834 }
835
836 static ssize_t in0_min_store(struct device *dev,
837 struct device_attribute *attr, const char *buf,
838 size_t count)
839 {
840 struct w83627hf_data *data = dev_get_drvdata(dev);
841 unsigned long val;
842 int err;
843
844 err = kstrtoul(buf, 10, &val);
845 if (err)
846 return err;
847
848 mutex_lock(&data->update_lock);
849
850 if ((data->vrm_ovt & 0x01) &&
851 (w83627thf == data->type || w83637hf == data->type
852 || w83687thf == data->type))
853
854 /* use VRM9 calculation */
855 data->in_min[0] =
856 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
857 else
858 /* use VRM8 (standard) calculation */
859 data->in_min[0] = IN_TO_REG(val);
860
861 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
862 mutex_unlock(&data->update_lock);
863 return count;
864 }
865
866 static DEVICE_ATTR_RW(in0_min);
867
868 static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr,
869 char *buf)
870 {
871 struct w83627hf_data *data = w83627hf_update_device(dev);
872 return show_in_0(data, buf, data->in_max[0]);
873 }
874
875 static ssize_t in0_max_store(struct device *dev,
876 struct device_attribute *attr, const char *buf,
877 size_t count)
878 {
879 struct w83627hf_data *data = dev_get_drvdata(dev);
880 unsigned long val;
881 int err;
882
883 err = kstrtoul(buf, 10, &val);
884 if (err)
885 return err;
886
887 mutex_lock(&data->update_lock);
888
889 if ((data->vrm_ovt & 0x01) &&
890 (w83627thf == data->type || w83637hf == data->type
891 || w83687thf == data->type))
892
893 /* use VRM9 calculation */
894 data->in_max[0] =
895 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
896 else
897 /* use VRM8 (standard) calculation */
898 data->in_max[0] = IN_TO_REG(val);
899
900 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
901 mutex_unlock(&data->update_lock);
902 return count;
903 }
904
905 static DEVICE_ATTR_RW(in0_max);
906
907 static ssize_t
908 alarm_show(struct device *dev, struct device_attribute *attr, char *buf)
909 {
910 struct w83627hf_data *data = w83627hf_update_device(dev);
911 int bitnr = to_sensor_dev_attr(attr)->index;
912 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
913 }
914
915 static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0);
916 static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1);
917 static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2);
918 static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3);
919 static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8);
920 static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9);
921 static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10);
922 static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16);
923 static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17);
924 static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6);
925 static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7);
926 static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11);
927 static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4);
928 static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5);
929 static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13);
930
931 static ssize_t
932 beep_show(struct device *dev, struct device_attribute *attr, char *buf)
933 {
934 struct w83627hf_data *data = w83627hf_update_device(dev);
935 int bitnr = to_sensor_dev_attr(attr)->index;
936 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
937 }
938
939 static ssize_t
940 beep_store(struct device *dev, struct device_attribute *attr, const char *buf,
941 size_t count)
942 {
943 struct w83627hf_data *data = dev_get_drvdata(dev);
944 int bitnr = to_sensor_dev_attr(attr)->index;
945 u8 reg;
946 unsigned long bit;
947 int err;
948
949 err = kstrtoul(buf, 10, &bit);
950 if (err)
951 return err;
952
953 if (bit & ~1)
954 return -EINVAL;
955
956 mutex_lock(&data->update_lock);
957 if (bit)
958 data->beep_mask |= (1 << bitnr);
959 else
960 data->beep_mask &= ~(1 << bitnr);
961
962 if (bitnr < 8) {
963 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
964 if (bit)
965 reg |= (1 << bitnr);
966 else
967 reg &= ~(1 << bitnr);
968 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
969 } else if (bitnr < 16) {
970 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
971 if (bit)
972 reg |= (1 << (bitnr - 8));
973 else
974 reg &= ~(1 << (bitnr - 8));
975 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
976 } else {
977 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
978 if (bit)
979 reg |= (1 << (bitnr - 16));
980 else
981 reg &= ~(1 << (bitnr - 16));
982 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
983 }
984 mutex_unlock(&data->update_lock);
985
986 return count;
987 }
988
989 static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0);
990 static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1);
991 static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2);
992 static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3);
993 static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8);
994 static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9);
995 static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10);
996 static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16);
997 static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17);
998 static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6);
999 static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7);
1000 static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11);
1001 static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4);
1002 static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5);
1003 static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13);
1004 static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15);
1005
1006 static ssize_t
1007 in_input_show(struct device *dev, struct device_attribute *devattr, char *buf)
1008 {
1009 int nr = to_sensor_dev_attr(devattr)->index;
1010 struct w83627hf_data *data = w83627hf_update_device(dev);
1011 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
1012 }
1013
1014 static ssize_t
1015 in_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
1016 {
1017 int nr = to_sensor_dev_attr(devattr)->index;
1018 struct w83627hf_data *data = w83627hf_update_device(dev);
1019 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
1020 }
1021
1022 static ssize_t
1023 in_min_store(struct device *dev, struct device_attribute *devattr,
1024 const char *buf, size_t count)
1025 {
1026 int nr = to_sensor_dev_attr(devattr)->index;
1027 struct w83627hf_data *data = dev_get_drvdata(dev);
1028 long val;
1029 int err;
1030
1031 err = kstrtol(buf, 10, &val);
1032 if (err)
1033 return err;
1034
1035 mutex_lock(&data->update_lock);
1036 data->in_min[nr] = IN_TO_REG(val);
1037 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
1038 mutex_unlock(&data->update_lock);
1039 return count;
1040 }
1041
1042 static ssize_t
1043 in_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
1044 {
1045 int nr = to_sensor_dev_attr(devattr)->index;
1046 struct w83627hf_data *data = w83627hf_update_device(dev);
1047 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
1048 }
1049
1050 static ssize_t
1051 in_max_store(struct device *dev, struct device_attribute *devattr,
1052 const char *buf, size_t count)
1053 {
1054 int nr = to_sensor_dev_attr(devattr)->index;
1055 struct w83627hf_data *data = dev_get_drvdata(dev);
1056 long val;
1057 int err;
1058
1059 err = kstrtol(buf, 10, &val);
1060 if (err)
1061 return err;
1062
1063 mutex_lock(&data->update_lock);
1064 data->in_max[nr] = IN_TO_REG(val);
1065 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
1066 mutex_unlock(&data->update_lock);
1067 return count;
1068 }
1069
1070 static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1);
1071 static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
1072 static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
1073 static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2);
1074 static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
1075 static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
1076 static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3);
1077 static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
1078 static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
1079 static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4);
1080 static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
1081 static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
1082 static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5);
1083 static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);
1084 static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);
1085 static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6);
1086 static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);
1087 static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);
1088 static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7);
1089 static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7);
1090 static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7);
1091 static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8);
1092 static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8);
1093 static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8);
1094
1095 static ssize_t
1096 fan_input_show(struct device *dev, struct device_attribute *devattr,
1097 char *buf)
1098 {
1099 int nr = to_sensor_dev_attr(devattr)->index;
1100 struct w83627hf_data *data = w83627hf_update_device(dev);
1101 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
1102 (long)DIV_FROM_REG(data->fan_div[nr])));
1103 }
1104
1105 static ssize_t
1106 fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
1107 {
1108 int nr = to_sensor_dev_attr(devattr)->index;
1109 struct w83627hf_data *data = w83627hf_update_device(dev);
1110 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
1111 (long)DIV_FROM_REG(data->fan_div[nr])));
1112 }
1113
1114 static ssize_t
1115 fan_min_store(struct device *dev, struct device_attribute *devattr,
1116 const char *buf, size_t count)
1117 {
1118 int nr = to_sensor_dev_attr(devattr)->index;
1119 struct w83627hf_data *data = dev_get_drvdata(dev);
1120 unsigned long val;
1121 int err;
1122
1123 err = kstrtoul(buf, 10, &val);
1124 if (err)
1125 return err;
1126
1127 mutex_lock(&data->update_lock);
1128 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
1129 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
1130 data->fan_min[nr]);
1131
1132 mutex_unlock(&data->update_lock);
1133 return count;
1134 }
1135
1136 static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0);
1137 static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
1138 static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1);
1139 static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
1140 static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2);
1141 static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);
1142
1143 static ssize_t
1144 fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf)
1145 {
1146 int nr = to_sensor_dev_attr(devattr)->index;
1147 struct w83627hf_data *data = w83627hf_update_device(dev);
1148 return sprintf(buf, "%ld\n",
1149 (long) DIV_FROM_REG(data->fan_div[nr]));
1150 }
1151
1152 /*
1153 * Note: we save and restore the fan minimum here, because its value is
1154 * determined in part by the fan divisor. This follows the principle of
1155 * least surprise; the user doesn't expect the fan minimum to change just
1156 * because the divisor changed.
1157 */
1158 static ssize_t
1159 fan_div_store(struct device *dev, struct device_attribute *devattr,
1160 const char *buf, size_t count)
1161 {
1162 int nr = to_sensor_dev_attr(devattr)->index;
1163 struct w83627hf_data *data = dev_get_drvdata(dev);
1164 unsigned long min;
1165 u8 reg;
1166 unsigned long val;
1167 int err;
1168
1169 err = kstrtoul(buf, 10, &val);
1170 if (err)
1171 return err;
1172
1173 mutex_lock(&data->update_lock);
1174
1175 /* Save fan_min */
1176 min = FAN_FROM_REG(data->fan_min[nr],
1177 DIV_FROM_REG(data->fan_div[nr]));
1178
1179 data->fan_div[nr] = DIV_TO_REG(val);
1180
1181 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1182 & (nr==0 ? 0xcf : 0x3f))
1183 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1184 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1185
1186 reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1187 & ~(1 << (5 + nr)))
1188 | ((data->fan_div[nr] & 0x04) << (3 + nr));
1189 w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1190
1191 /* Restore fan_min */
1192 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1193 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1194
1195 mutex_unlock(&data->update_lock);
1196 return count;
1197 }
1198
1199 static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
1200 static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
1201 static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2);
1202
1203 static ssize_t
1204 temp_show(struct device *dev, struct device_attribute *devattr, char *buf)
1205 {
1206 int nr = to_sensor_dev_attr(devattr)->index;
1207 struct w83627hf_data *data = w83627hf_update_device(dev);
1208
1209 u16 tmp = data->temp[nr];
1210 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
1211 : (long) TEMP_FROM_REG(tmp));
1212 }
1213
1214 static ssize_t
1215 temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
1216 {
1217 int nr = to_sensor_dev_attr(devattr)->index;
1218 struct w83627hf_data *data = w83627hf_update_device(dev);
1219
1220 u16 tmp = data->temp_max[nr];
1221 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
1222 : (long) TEMP_FROM_REG(tmp));
1223 }
1224
1225 static ssize_t
1226 temp_max_store(struct device *dev, struct device_attribute *devattr,
1227 const char *buf, size_t count)
1228 {
1229 int nr = to_sensor_dev_attr(devattr)->index;
1230 struct w83627hf_data *data = dev_get_drvdata(dev);
1231 u16 tmp;
1232 long val;
1233 int err;
1234
1235 err = kstrtol(buf, 10, &val);
1236 if (err)
1237 return err;
1238
1239 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
1240 mutex_lock(&data->update_lock);
1241 data->temp_max[nr] = tmp;
1242 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
1243 mutex_unlock(&data->update_lock);
1244 return count;
1245 }
1246
1247 static ssize_t
1248 temp_max_hyst_show(struct device *dev, struct device_attribute *devattr,
1249 char *buf)
1250 {
1251 int nr = to_sensor_dev_attr(devattr)->index;
1252 struct w83627hf_data *data = w83627hf_update_device(dev);
1253
1254 u16 tmp = data->temp_max_hyst[nr];
1255 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
1256 : (long) TEMP_FROM_REG(tmp));
1257 }
1258
1259 static ssize_t
1260 temp_max_hyst_store(struct device *dev, struct device_attribute *devattr,
1261 const char *buf, size_t count)
1262 {
1263 int nr = to_sensor_dev_attr(devattr)->index;
1264 struct w83627hf_data *data = dev_get_drvdata(dev);
1265 u16 tmp;
1266 long val;
1267 int err;
1268
1269 err = kstrtol(buf, 10, &val);
1270 if (err)
1271 return err;
1272
1273 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
1274 mutex_lock(&data->update_lock);
1275 data->temp_max_hyst[nr] = tmp;
1276 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
1277 mutex_unlock(&data->update_lock);
1278 return count;
1279 }
1280
1281 static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
1282 static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0);
1283 static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0);
1284 static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);
1285 static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1);
1286 static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1);
1287 static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);
1288 static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2);
1289 static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2);
1290
1291 static ssize_t
1292 temp_type_show(struct device *dev, struct device_attribute *devattr,
1293 char *buf)
1294 {
1295 int nr = to_sensor_dev_attr(devattr)->index;
1296 struct w83627hf_data *data = w83627hf_update_device(dev);
1297 return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1298 }
1299
1300 static ssize_t
1301 temp_type_store(struct device *dev, struct device_attribute *devattr,
1302 const char *buf, size_t count)
1303 {
1304 int nr = to_sensor_dev_attr(devattr)->index;
1305 struct w83627hf_data *data = dev_get_drvdata(dev);
1306 unsigned long val;
1307 u32 tmp;
1308 int err;
1309
1310 err = kstrtoul(buf, 10, &val);
1311 if (err)
1312 return err;
1313
1314 mutex_lock(&data->update_lock);
1315
1316 switch (val) {
1317 case 1: /* PII/Celeron diode */
1318 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1319 w83627hf_write_value(data, W83781D_REG_SCFG1,
1320 tmp | BIT_SCFG1[nr]);
1321 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1322 w83627hf_write_value(data, W83781D_REG_SCFG2,
1323 tmp | BIT_SCFG2[nr]);
1324 data->sens[nr] = val;
1325 break;
1326 case 2: /* 3904 */
1327 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1328 w83627hf_write_value(data, W83781D_REG_SCFG1,
1329 tmp | BIT_SCFG1[nr]);
1330 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1331 w83627hf_write_value(data, W83781D_REG_SCFG2,
1332 tmp & ~BIT_SCFG2[nr]);
1333 data->sens[nr] = val;
1334 break;
1335 case W83781D_DEFAULT_BETA:
1336 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1337 "instead\n", W83781D_DEFAULT_BETA);
1338 fallthrough;
1339 case 4: /* thermistor */
1340 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1341 w83627hf_write_value(data, W83781D_REG_SCFG1,
1342 tmp & ~BIT_SCFG1[nr]);
1343 data->sens[nr] = val;
1344 break;
1345 default:
1346 dev_err(dev,
1347 "Invalid sensor type %ld; must be 1, 2, or 4\n",
1348 (long) val);
1349 break;
1350 }
1351
1352 mutex_unlock(&data->update_lock);
1353 return count;
1354 }
1355
1356 static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0);
1357 static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1);
1358 static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2);
1359
1360 static ssize_t
1361 alarms_show(struct device *dev, struct device_attribute *attr, char *buf)
1362 {
1363 struct w83627hf_data *data = w83627hf_update_device(dev);
1364 return sprintf(buf, "%ld\n", (long) data->alarms);
1365 }
1366 static DEVICE_ATTR_RO(alarms);
1367
1368 #define VIN_UNIT_ATTRS(_X_) \
1369 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \
1370 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \
1371 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \
1372 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \
1373 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1374
1375 #define FAN_UNIT_ATTRS(_X_) \
1376 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \
1377 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \
1378 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \
1379 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \
1380 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1381
1382 #define TEMP_UNIT_ATTRS(_X_) \
1383 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \
1384 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \
1385 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \
1386 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \
1387 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \
1388 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1389
1390 static ssize_t
1391 beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf)
1392 {
1393 struct w83627hf_data *data = w83627hf_update_device(dev);
1394 return sprintf(buf, "%ld\n",
1395 (long)BEEP_MASK_FROM_REG(data->beep_mask));
1396 }
1397
1398 static ssize_t
1399 beep_mask_store(struct device *dev, struct device_attribute *attr,
1400 const char *buf, size_t count)
1401 {
1402 struct w83627hf_data *data = dev_get_drvdata(dev);
1403 unsigned long val;
1404 int err;
1405
1406 err = kstrtoul(buf, 10, &val);
1407 if (err)
1408 return err;
1409
1410 mutex_lock(&data->update_lock);
1411
1412 /* preserve beep enable */
1413 data->beep_mask = (data->beep_mask & 0x8000)
1414 | BEEP_MASK_TO_REG(val);
1415 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
1416 data->beep_mask & 0xff);
1417 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
1418 ((data->beep_mask) >> 16) & 0xff);
1419 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
1420 (data->beep_mask >> 8) & 0xff);
1421
1422 mutex_unlock(&data->update_lock);
1423 return count;
1424 }
1425
1426 static DEVICE_ATTR_RW(beep_mask);
1427
1428 static ssize_t
1429 pwm_show(struct device *dev, struct device_attribute *devattr, char *buf)
1430 {
1431 int nr = to_sensor_dev_attr(devattr)->index;
1432 struct w83627hf_data *data = w83627hf_update_device(dev);
1433 return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1434 }
1435
1436 static ssize_t
1437 pwm_store(struct device *dev, struct device_attribute *devattr,
1438 const char *buf, size_t count)
1439 {
1440 int nr = to_sensor_dev_attr(devattr)->index;
1441 struct w83627hf_data *data = dev_get_drvdata(dev);
1442 unsigned long val;
1443 int err;
1444
1445 err = kstrtoul(buf, 10, &val);
1446 if (err)
1447 return err;
1448
1449 mutex_lock(&data->update_lock);
1450
1451 if (data->type == w83627thf) {
1452 /* bits 0-3 are reserved in 627THF */
1453 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1454 w83627hf_write_value(data,
1455 W836X7HF_REG_PWM(data->type, nr),
1456 data->pwm[nr] |
1457 (w83627hf_read_value(data,
1458 W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1459 } else {
1460 data->pwm[nr] = PWM_TO_REG(val);
1461 w83627hf_write_value(data,
1462 W836X7HF_REG_PWM(data->type, nr),
1463 data->pwm[nr]);
1464 }
1465
1466 mutex_unlock(&data->update_lock);
1467 return count;
1468 }
1469
1470 static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0);
1471 static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1);
1472 static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2);
1473
1474 static ssize_t
1475 name_show(struct device *dev, struct device_attribute *devattr, char *buf)
1476 {
1477 struct w83627hf_data *data = dev_get_drvdata(dev);
1478
1479 return sprintf(buf, "%s\n", data->name);
1480 }
1481
1482 static DEVICE_ATTR_RO(name);
1483
1484 static struct attribute *w83627hf_attributes[] = {
1485 &dev_attr_in0_input.attr,
1486 &dev_attr_in0_min.attr,
1487 &dev_attr_in0_max.attr,
1488 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1489 &sensor_dev_attr_in0_beep.dev_attr.attr,
1490 VIN_UNIT_ATTRS(2),
1491 VIN_UNIT_ATTRS(3),
1492 VIN_UNIT_ATTRS(4),
1493 VIN_UNIT_ATTRS(7),
1494 VIN_UNIT_ATTRS(8),
1495
1496 FAN_UNIT_ATTRS(1),
1497 FAN_UNIT_ATTRS(2),
1498
1499 TEMP_UNIT_ATTRS(1),
1500 TEMP_UNIT_ATTRS(2),
1501
1502 &dev_attr_alarms.attr,
1503 &sensor_dev_attr_beep_enable.dev_attr.attr,
1504 &dev_attr_beep_mask.attr,
1505
1506 &sensor_dev_attr_pwm1.dev_attr.attr,
1507 &sensor_dev_attr_pwm2.dev_attr.attr,
1508 &dev_attr_name.attr,
1509 NULL
1510 };
1511
1512 static const struct attribute_group w83627hf_group = {
1513 .attrs = w83627hf_attributes,
1514 };
1515
1516 static ssize_t
1517 pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf)
1518 {
1519 int nr = to_sensor_dev_attr(devattr)->index;
1520 struct w83627hf_data *data = w83627hf_update_device(dev);
1521 if (data->type == w83627hf)
1522 return sprintf(buf, "%ld\n",
1523 pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1524 else
1525 return sprintf(buf, "%ld\n",
1526 pwm_freq_from_reg(data->pwm_freq[nr]));
1527 }
1528
1529 static ssize_t
1530 pwm_freq_store(struct device *dev, struct device_attribute *devattr,
1531 const char *buf, size_t count)
1532 {
1533 int nr = to_sensor_dev_attr(devattr)->index;
1534 struct w83627hf_data *data = dev_get_drvdata(dev);
1535 static const u8 mask[]={0xF8, 0x8F};
1536 unsigned long val;
1537 int err;
1538
1539 err = kstrtoul(buf, 10, &val);
1540 if (err)
1541 return err;
1542
1543 mutex_lock(&data->update_lock);
1544
1545 if (data->type == w83627hf) {
1546 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1547 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1548 (data->pwm_freq[nr] << (nr*4)) |
1549 (w83627hf_read_value(data,
1550 W83627HF_REG_PWM_FREQ) & mask[nr]));
1551 } else {
1552 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1553 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1554 data->pwm_freq[nr]);
1555 }
1556
1557 mutex_unlock(&data->update_lock);
1558 return count;
1559 }
1560
1561 static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0);
1562 static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1);
1563 static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2);
1564
1565 static ssize_t
1566 cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
1567 {
1568 struct w83627hf_data *data = w83627hf_update_device(dev);
1569 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
1570 }
1571
1572 static DEVICE_ATTR_RO(cpu0_vid);
1573
1574 static ssize_t
1575 vrm_show(struct device *dev, struct device_attribute *attr, char *buf)
1576 {
1577 struct w83627hf_data *data = dev_get_drvdata(dev);
1578 return sprintf(buf, "%ld\n", (long) data->vrm);
1579 }
1580
1581 static ssize_t
1582 vrm_store(struct device *dev, struct device_attribute *attr, const char *buf,
1583 size_t count)
1584 {
1585 struct w83627hf_data *data = dev_get_drvdata(dev);
1586 unsigned long val;
1587 int err;
1588
1589 err = kstrtoul(buf, 10, &val);
1590 if (err)
1591 return err;
1592
1593 if (val > 255)
1594 return -EINVAL;
1595 data->vrm = val;
1596
1597 return count;
1598 }
1599
1600 static DEVICE_ATTR_RW(vrm);
1601
1602 static ssize_t
1603 pwm_enable_show(struct device *dev, struct device_attribute *devattr,
1604 char *buf)
1605 {
1606 int nr = to_sensor_dev_attr(devattr)->index;
1607 struct w83627hf_data *data = w83627hf_update_device(dev);
1608 return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1609 }
1610
1611 static ssize_t
1612 pwm_enable_store(struct device *dev, struct device_attribute *devattr,
1613 const char *buf, size_t count)
1614 {
1615 int nr = to_sensor_dev_attr(devattr)->index;
1616 struct w83627hf_data *data = dev_get_drvdata(dev);
1617 u8 reg;
1618 unsigned long val;
1619 int err;
1620
1621 err = kstrtoul(buf, 10, &val);
1622 if (err)
1623 return err;
1624
1625 if (!val || val > 3) /* modes 1, 2 and 3 are supported */
1626 return -EINVAL;
1627 mutex_lock(&data->update_lock);
1628 data->pwm_enable[nr] = val;
1629 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1630 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1631 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1632 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1633 mutex_unlock(&data->update_lock);
1634 return count;
1635 }
1636
1637 static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0);
1638 static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1);
1639 static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2);
1640
1641 static struct attribute *w83627hf_attributes_opt[] = {
1642 VIN_UNIT_ATTRS(1),
1643 VIN_UNIT_ATTRS(5),
1644 VIN_UNIT_ATTRS(6),
1645
1646 FAN_UNIT_ATTRS(3),
1647 TEMP_UNIT_ATTRS(3),
1648 &sensor_dev_attr_pwm3.dev_attr.attr,
1649
1650 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1651 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1652 &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1653
1654 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1655 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1656 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1657
1658 NULL
1659 };
1660
1661 static const struct attribute_group w83627hf_group_opt = {
1662 .attrs = w83627hf_attributes_opt,
1663 };
1664
1665 static int w83627hf_probe(struct platform_device *pdev)
1666 {
1667 struct device *dev = &pdev->dev;
1668 struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1669 struct w83627hf_data *data;
1670 struct resource *res;
1671 int err, i;
1672
1673 static const char *names[] = {
1674 "w83627hf",
1675 "w83627thf",
1676 "w83697hf",
1677 "w83637hf",
1678 "w83687thf",
1679 };
1680
1681 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1682 if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1683 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1684 (unsigned long)res->start,
1685 (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1686 return -EBUSY;
1687 }
1688
1689 data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1690 if (!data)
1691 return -ENOMEM;
1692
1693 data->addr = res->start;
1694 data->type = sio_data->type;
1695 data->name = names[sio_data->type];
1696 mutex_init(&data->lock);
1697 mutex_init(&data->update_lock);
1698 platform_set_drvdata(pdev, data);
1699
1700 /* Initialize the chip */
1701 w83627hf_init_device(pdev);
1702
1703 /* A few vars need to be filled upon startup */
1704 for (i = 0; i <= 2; i++)
1705 data->fan_min[i] = w83627hf_read_value(
1706 data, W83627HF_REG_FAN_MIN(i));
1707 w83627hf_update_fan_div(data);
1708
1709 /* Register common device attributes */
1710 err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1711 if (err)
1712 return err;
1713
1714 /* Register chip-specific device attributes */
1715 if (data->type == w83627hf || data->type == w83697hf)
1716 if ((err = device_create_file(dev,
1717 &sensor_dev_attr_in5_input.dev_attr))
1718 || (err = device_create_file(dev,
1719 &sensor_dev_attr_in5_min.dev_attr))
1720 || (err = device_create_file(dev,
1721 &sensor_dev_attr_in5_max.dev_attr))
1722 || (err = device_create_file(dev,
1723 &sensor_dev_attr_in5_alarm.dev_attr))
1724 || (err = device_create_file(dev,
1725 &sensor_dev_attr_in5_beep.dev_attr))
1726 || (err = device_create_file(dev,
1727 &sensor_dev_attr_in6_input.dev_attr))
1728 || (err = device_create_file(dev,
1729 &sensor_dev_attr_in6_min.dev_attr))
1730 || (err = device_create_file(dev,
1731 &sensor_dev_attr_in6_max.dev_attr))
1732 || (err = device_create_file(dev,
1733 &sensor_dev_attr_in6_alarm.dev_attr))
1734 || (err = device_create_file(dev,
1735 &sensor_dev_attr_in6_beep.dev_attr))
1736 || (err = device_create_file(dev,
1737 &sensor_dev_attr_pwm1_freq.dev_attr))
1738 || (err = device_create_file(dev,
1739 &sensor_dev_attr_pwm2_freq.dev_attr)))
1740 goto error;
1741
1742 if (data->type != w83697hf)
1743 if ((err = device_create_file(dev,
1744 &sensor_dev_attr_in1_input.dev_attr))
1745 || (err = device_create_file(dev,
1746 &sensor_dev_attr_in1_min.dev_attr))
1747 || (err = device_create_file(dev,
1748 &sensor_dev_attr_in1_max.dev_attr))
1749 || (err = device_create_file(dev,
1750 &sensor_dev_attr_in1_alarm.dev_attr))
1751 || (err = device_create_file(dev,
1752 &sensor_dev_attr_in1_beep.dev_attr))
1753 || (err = device_create_file(dev,
1754 &sensor_dev_attr_fan3_input.dev_attr))
1755 || (err = device_create_file(dev,
1756 &sensor_dev_attr_fan3_min.dev_attr))
1757 || (err = device_create_file(dev,
1758 &sensor_dev_attr_fan3_div.dev_attr))
1759 || (err = device_create_file(dev,
1760 &sensor_dev_attr_fan3_alarm.dev_attr))
1761 || (err = device_create_file(dev,
1762 &sensor_dev_attr_fan3_beep.dev_attr))
1763 || (err = device_create_file(dev,
1764 &sensor_dev_attr_temp3_input.dev_attr))
1765 || (err = device_create_file(dev,
1766 &sensor_dev_attr_temp3_max.dev_attr))
1767 || (err = device_create_file(dev,
1768 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1769 || (err = device_create_file(dev,
1770 &sensor_dev_attr_temp3_alarm.dev_attr))
1771 || (err = device_create_file(dev,
1772 &sensor_dev_attr_temp3_beep.dev_attr))
1773 || (err = device_create_file(dev,
1774 &sensor_dev_attr_temp3_type.dev_attr)))
1775 goto error;
1776
1777 if (data->type != w83697hf && data->vid != 0xff) {
1778 /* Convert VID to voltage based on VRM */
1779 data->vrm = vid_which_vrm();
1780
1781 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1782 || (err = device_create_file(dev, &dev_attr_vrm)))
1783 goto error;
1784 }
1785
1786 if (data->type == w83627thf || data->type == w83637hf
1787 || data->type == w83687thf) {
1788 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1789 if (err)
1790 goto error;
1791 }
1792
1793 if (data->type == w83637hf || data->type == w83687thf)
1794 if ((err = device_create_file(dev,
1795 &sensor_dev_attr_pwm1_freq.dev_attr))
1796 || (err = device_create_file(dev,
1797 &sensor_dev_attr_pwm2_freq.dev_attr))
1798 || (err = device_create_file(dev,
1799 &sensor_dev_attr_pwm3_freq.dev_attr)))
1800 goto error;
1801
1802 if (data->type != w83627hf)
1803 if ((err = device_create_file(dev,
1804 &sensor_dev_attr_pwm1_enable.dev_attr))
1805 || (err = device_create_file(dev,
1806 &sensor_dev_attr_pwm2_enable.dev_attr)))
1807 goto error;
1808
1809 if (data->type == w83627thf || data->type == w83637hf
1810 || data->type == w83687thf) {
1811 err = device_create_file(dev,
1812 &sensor_dev_attr_pwm3_enable.dev_attr);
1813 if (err)
1814 goto error;
1815 }
1816
1817 data->hwmon_dev = hwmon_device_register(dev);
1818 if (IS_ERR(data->hwmon_dev)) {
1819 err = PTR_ERR(data->hwmon_dev);
1820 goto error;
1821 }
1822
1823 return 0;
1824
1825 error:
1826 sysfs_remove_group(&dev->kobj, &w83627hf_group);
1827 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1828 return err;
1829 }
1830
1831 static void w83627hf_remove(struct platform_device *pdev)
1832 {
1833 struct w83627hf_data *data = platform_get_drvdata(pdev);
1834
1835 hwmon_device_unregister(data->hwmon_dev);
1836
1837 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1838 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1839 }
1840
1841 static struct platform_driver w83627hf_driver = {
1842 .driver = {
1843 .name = DRVNAME,
1844 .pm = W83627HF_DEV_PM_OPS,
1845 },
1846 .probe = w83627hf_probe,
1847 .remove = w83627hf_remove,
1848 };
1849
1850 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1851 struct w83627hf_sio_data *sio_data)
1852 {
1853 int err;
1854 u16 val;
1855
1856 static __initconst char *const names[] = {
1857 "W83627HF",
1858 "W83627THF",
1859 "W83697HF",
1860 "W83637HF",
1861 "W83687THF",
1862 };
1863
1864 sio_data->sioaddr = sioaddr;
1865 err = superio_enter(sio_data);
1866 if (err)
1867 return err;
1868
1869 err = -ENODEV;
1870 val = force_id ? force_id : superio_inb(sio_data, DEVID);
1871 switch (val) {
1872 case W627_DEVID:
1873 sio_data->type = w83627hf;
1874 break;
1875 case W627THF_DEVID:
1876 sio_data->type = w83627thf;
1877 break;
1878 case W697_DEVID:
1879 sio_data->type = w83697hf;
1880 break;
1881 case W637_DEVID:
1882 sio_data->type = w83637hf;
1883 break;
1884 case W687THF_DEVID:
1885 sio_data->type = w83687thf;
1886 break;
1887 case 0xff: /* No device at all */
1888 goto exit;
1889 default:
1890 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1891 goto exit;
1892 }
1893
1894 superio_select(sio_data, W83627HF_LD_HWM);
1895 val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1896 superio_inb(sio_data, WINB_BASE_REG + 1);
1897 *addr = val & WINB_ALIGNMENT;
1898 if (*addr == 0) {
1899 pr_warn("Base address not set, skipping\n");
1900 goto exit;
1901 }
1902
1903 val = superio_inb(sio_data, WINB_ACT_REG);
1904 if (!(val & 0x01)) {
1905 pr_warn("Enabling HWM logical device\n");
1906 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1907 }
1908
1909 err = 0;
1910 pr_info(DRVNAME ": Found %s chip at %#x\n",
1911 names[sio_data->type], *addr);
1912
1913 exit:
1914 superio_exit(sio_data);
1915 return err;
1916 }
1917
1918 static int __init w83627hf_device_add(unsigned short address,
1919 const struct w83627hf_sio_data *sio_data)
1920 {
1921 struct resource res = {
1922 .start = address + WINB_REGION_OFFSET,
1923 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1924 .name = DRVNAME,
1925 .flags = IORESOURCE_IO,
1926 };
1927 int err;
1928
1929 err = acpi_check_resource_conflict(&res);
1930 if (err)
1931 goto exit;
1932
1933 pdev = platform_device_alloc(DRVNAME, address);
1934 if (!pdev) {
1935 err = -ENOMEM;
1936 pr_err("Device allocation failed\n");
1937 goto exit;
1938 }
1939
1940 err = platform_device_add_resources(pdev, &res, 1);
1941 if (err) {
1942 pr_err("Device resource addition failed (%d)\n", err);
1943 goto exit_device_put;
1944 }
1945
1946 err = platform_device_add_data(pdev, sio_data,
1947 sizeof(struct w83627hf_sio_data));
1948 if (err) {
1949 pr_err("Platform data allocation failed\n");
1950 goto exit_device_put;
1951 }
1952
1953 err = platform_device_add(pdev);
1954 if (err) {
1955 pr_err("Device addition failed (%d)\n", err);
1956 goto exit_device_put;
1957 }
1958
1959 return 0;
1960
1961 exit_device_put:
1962 platform_device_put(pdev);
1963 exit:
1964 return err;
1965 }
1966
1967 static int __init sensors_w83627hf_init(void)
1968 {
1969 int err;
1970 unsigned short address;
1971 struct w83627hf_sio_data sio_data;
1972
1973 if (w83627hf_find(0x2e, &address, &sio_data)
1974 && w83627hf_find(0x4e, &address, &sio_data))
1975 return -ENODEV;
1976
1977 err = platform_driver_register(&w83627hf_driver);
1978 if (err)
1979 goto exit;
1980
1981 /* Sets global pdev as a side effect */
1982 err = w83627hf_device_add(address, &sio_data);
1983 if (err)
1984 goto exit_driver;
1985
1986 return 0;
1987
1988 exit_driver:
1989 platform_driver_unregister(&w83627hf_driver);
1990 exit:
1991 return err;
1992 }
1993
1994 static void __exit sensors_w83627hf_exit(void)
1995 {
1996 platform_device_unregister(pdev);
1997 platform_driver_unregister(&w83627hf_driver);
1998 }
1999
2000 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2001 "Philip Edelbrock <phil@netroedge.com>, "
2002 "and Mark Studebaker <mdsxyz123@yahoo.com>");
2003 MODULE_DESCRIPTION("W83627HF driver");
2004 MODULE_LICENSE("GPL");
2005
2006 module_init(sensors_w83627hf_init);
2007 module_exit(sensors_w83627hf_exit);
Kernel DRM miscellaneous fixes and cross-tree changes